1. API 17J: specification for unbonded flexible pipe,2014
2. Rayleigh damping effects on global analysis of umbilicals;Silveira,2011
3. Calculation of stresses and slip in structural layers of unbonded flexible pipes;Féret;J Offshore Mech Arct Eng,1987
4. CAFLEX theory manual,1991
5. A treatise on the mathematical theory of elasticity;Love,1944